Mystery Powder Investigation Lab Sheet (KEY)
Part A: Testing Knowns
Physical
Properties
Ph
Iodine Water Vinegar
Soap
White,
crystals/flakes
Sugar
Small, clear-white
purple
crystals
yellow
Dissolve, clear
No fizz
solution
Flour
Off white powder,
purple
dull
purple
Floats on top
No fizz
Corn
Starch
Pure white
powder, shiny
purple
purple
Floats on top
No fizz
Baking
Soda
Pure white
powder, dull
Blue/green yellow
Blue/green yellow
Dissolve,
Slight fizz
warm, bubbles
Dissolve,
Significant
murky solution fizz
Part B: Testing Mystery Powder
Physical
Properties
PhIodineWaterVinegar Unknown